Update app.py

app.py

@@ -34,6 +34,9 @@ pipeline = start_haystack()
 def set_state_if_absent(key, value):
     if key not in st.session_state:
         st.session_state[key] = value
+        
+def reset_results(*args):
+    st.session_state.results = None
 
 set_state_if_absent("question", "how much money should each player have at the beginning?")
 set_state_if_absent("results", None)